The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 30, 2010
Filed:
Jul. 26, 2005
Seiichiro Endo, Kobe, JP;
Masatoshi Yokota, Kobe, JP;
Koichi Fujisawa, Kobe, JP;
Kazuhiko Isogawa, Kobe, JP;
Seiichiro Endo, Kobe, JP;
Masatoshi Yokota, Kobe, JP;
Koichi Fujisawa, Kobe, JP;
Kazuhiko Isogawa, Kobe, JP;
SRI Sports Limited, Kobe, JP;
Abstract
A core having a center, and a mantle layer comprising a thermoplastic resin composition is provided. Next, a reinforcing layer including a thermosetting resin composition is formed on the surface of this core to obtain a spherical body. Next, this spherical bodyis covered by two pieces of half shell. Next, the spherical bodyand the half shellsare placed into a mold. Next, the moldis clamped at a velocity of 0.01 mm/sec or greater and 1.0 mm/sec or less. The thermoplastic resin composition of the half shellis heated while being compressed in the spherical cavity to result in flow. This thermoplastic resin composition is hardened to give a cover having a thickness of 0.1 mm or greater and less than 0.7 mm. The difference (T−Fc) between the molding temperature T and the incipient fluidization temperature Fc of the thermoplastic resin composition of the cover is 0° C. or greater and 30° C. or less.